nullmx.coreknowledge.com - dns.ninja

`nullmx.coreknowledge.com`

DNSSEC	⚠️ Not signed
A	103.224.182.246^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
		PTR	`lb-182-246.above.com`
NS	`ns1.abovedomains.com` ⭐ ⚠️ Not in parent delegation
		A	103.224.182.9^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
		A	103.224.182.77^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
		A	103.224.182.85^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
		A	103.224.212.9^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
NS	`ns2.abovedomains.com` ⚠️ Not in parent delegation
		A	103.224.182.10^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
		A	103.224.212.10^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
		A	103.224.212.51^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
		A	103.224.212.53^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
MX	`park-mx.above.com` ⭐
		A	103.224.212.34^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`park-mx.above.com`
TXT	`v=spf1 ip6:fdcf:abda:4154::/48 -all`
SOA	`ns1.abovedomains.com`hostmaster@trellian.com 2026-07-31 #1

`coreknowledge.com`

	DNSSEC	⚠️ Not signed
	A	103.224.182.246^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
	NS	`ns1.abovedomains.com` ⭐ ⚠️ Not in parent delegation
	NS	`5608.ns1.abovedomains.com` ⚠️ Not in zone NS records
	NS	`5608.ns2.abovedomains.com` ⚠️ Not in zone NS records
	NS	`ns2.abovedomains.com` ⚠️ Not in parent delegation
	MX	`park-mx.above.com` ⭐
	TXT	`v=spf1 ip6:fdcf:abda:4154::/48 -all`
	SOA	`ns1.abovedomains.com`hostmaster@trellian.com 2026-07-31 #1

Previously MX for

coreknowledge.com

Same first word

nullmx.org

nullmx.com

nullmx.net

DNS History

8 records (4 active, 4 former)

○NSbuy.internettraffic.com2015-07-17 → 2016-07-15 · 4 obs

● 2015-07-17 18:53:52
● 2016-07-15 12:26:24
○ 2026-05-10 07:12:32
○ 2026-07-30 17:43:18

●NSns1.abovedomains.com2026-07-30 → 2026-07-30 · 2 obs

○ 2026-05-10 07:12:32
● 2026-07-30 17:43:18

●NSns2.abovedomains.com2026-07-30 → 2026-07-30 · 2 obs

○ 2026-05-10 07:12:32
● 2026-07-30 17:43:18

○NSsell.internettraffic.com2015-07-17 → 2016-07-15 · 4 obs

● 2015-07-17 18:53:52
● 2016-07-15 12:26:24
○ 2026-05-10 07:12:32
○ 2026-07-30 17:43:18

●MXpark-mx.above.com2026-07-30 → 2026-07-30 · 1 obs

● 2026-07-30 17:43:18

●A103.224.182.2462026-07-30 → 2026-07-30 · 2 obs

○ 2026-05-10 07:12:32
● 2026-07-30 17:43:18

○A69.172.201.1532016-07-15 → 2016-07-15 · 4 obs

○ 2016-03-22 10:16:12
● 2016-07-15 12:26:24
○ 2026-05-10 07:12:32
○ 2026-07-30 17:43:18

○A69.172.201.2082015-07-17 → 2016-03-22 · 4 obs

● 2015-07-17 18:53:52
● 2016-03-22 10:16:12
○ 2016-07-15 12:26:24
○ 2026-07-30 17:43:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coreknowledge.com	5608.ns1.abovedomains.com, 5608.ns2.abovedomains.com	8 records

✅ Authoritative Response

Server:103.224.182.77

NS records: 5608.ns1.abovedomains.com, 5608.ns2.abovedomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreknowledge.com (unsigned zone)

⏱️ Timing

Total: 746ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.224.182.246`
NS	2	`ns2.abovedomains.com, ns1.abovedomains.com`
MX	1	`park-mx.above.com (pri: 10)`
TXT	1	`v=spf1 ip6:fdcf:abda:4154::/48 -all`
SOA	1	`ns1.abovedomains.com hostmaster.trellian`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (5608.ns1.abovedomains.com, 5608.ns1.abovedomains.com, 5608.ns1.abovedomains.com...)

Analysis

IP Addresses

nullmx.coreknowledge.com directs to one IP number, which is 103.224.182.246.

Among the host names that share IP numbers with nullmx.coreknowledge.com are chintan.com, mixtura.com, cuidi.com and two others.

Name Servers

nullmx.coreknowledge.com has two authoritative name servers — ns1.abovedomains.com and ns2.abovedomains.com.

nullmx.coreknowledge.com has the same name server delegation as a number of other domains, such as edgeipk.com, mail.toobit.click, artnailspa.com and two more.

The name servers of nullmx.coreknowledge.com overlap at least partially with those of other domains — among them t7.lustfulpics.com, along.com.au, 18.the31news.com and two more.

These name servers commonly appear in delegations together with 5014.ns1.abovedomains.com, 5014.ns2.abovedomains.com, ns15.abovedomains.com and 7 other.

Each of the hosts ns1.abovedomains.com and ns2.abovedomains.com has four IP addresses: ns1.abovedomains.com points to 103.224.182.9, 103.224.182.77, 103.224.182.85 and 103.224.212.9, and ns2.abovedomains.com points to 103.224.182.10, 103.224.212.10, 103.224.212.51 and 103.224.212.53.

Mail Servers

nullmx.coreknowledge.com routes its mail through a single mail server, park-mx.above.com.

nullmx.coreknowledge.com has the same mail server arrangement as a number of other domains, for example zombeast.com, basco.it, emilijaportfolio.mydailyflog.com and two more.

park-mx.above.com points to one IP number — 103.224.212.34.